May 7, 1984 (Age: 41)
St. Johns, Newfoundland, Canada
Acting
Mark O'Brien (born May 7th, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle (2010) and Tom Rendon in Halt and Catch Fire (2014).
2025
2016
2018
2019
2021
